Primary and secondary impacts on lives and property

Question 1

What are the Primary Impacts of Earthquakes

Answer 1

Ground shaking.
Cracks in the ground.
Building collapse.

Question 2

What are the Secondary Impacts of Earthquakes

Answer 2

Landslides
Soil Liquefaction
Tsunamis

Question 3

What are the Primary Impacts of Volcanoes

Answer 3

Lava flows
Pyroclastic flows, nuées ardentes, and ash fallout.
Eruption of gases and ash clouds.

Question 4

What are the Secondary Impacts of Volcanoes

Answer 4

Volcanic Mudflows (Lahars)
Volcanic Landslides
Environmental Damage

Question 5

What is the Global Distribution of Earthquakes and Volcanoes

Answer 5

Earthquake Zones: Found along plate boundaries, particularly subduction zones, rift zones, and transform faults.

Volcanic Zones: Most active along convergent and divergent boundaries (e.g., Pacific Ring of Fire, East African Rift).

Question 6

Effusive Eruptions hazards

Answer 6

Slow-moving lava flows.
Hazard: Property destruction from lava flow.

Question 7

Explosive Eruptions hazards

Answer 7

Violent eruptions with pyroclastic flows, ash clouds.
Hazard: Ash fallout, landslides, and tsunamis (if undersea).

Question 8

Impact on Lives from Earthquakes and Volcanoes